<template>
  <div class="app-container">

    <el-form v-show="showSearch" ref="queryForm" :inline="true" :model="queryParams" label-width="68px" size="small">
      <el-form-item label="跳转链接" prop="hrefUrl">
        <el-input v-model="queryParams.hrefUrl" clearable placeholder="请输入跳转链接"
                  @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="图片地址" prop="imgUrl">
        <el-input v-model="queryParams.imgUrl" clearable placeholder="请输入图片地址"
                  @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item>
        <el-button icon="el-icon-search" size="mini" type="primary" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button v-hasPermi="['content:banner:add']" icon="el-icon-plus" plain size="mini" type="primary"
                   @click="handleAdd">新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button v-hasPermi="['content:banner:edit']" :disabled="single" icon="el-icon-edit" plain size="mini" type="success"
                   @click="handleUpdate">修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button v-hasPermi="['content:banner:remove']" :disabled="multiple" icon="el-icon-delete" plain size="mini" type="danger"
                   @click="handleDelete">删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button v-hasPermi="['content:banner:export']" icon="el-icon-download" plain size="mini" type="warning"
                   @click="handleExport">导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="bannerList" @selection-change="handleSelectionChange">
      <el-table-column align="center" type="selection" width="55"/>
      <el-table-column align="center" label="轮播图ID" prop="id"/>
      <el-table-column align="center" label="跳转链接" prop="hrefUrl"/>
      <el-table-column align="center" label="图片地址" prop="imgUrl" width="300px"/>
      <el-table-column align="center" label="图片预览" prop="imgUrl" width="80px">
        <template slot-scope="scope">
          <el-image :preview-src-list="[scope.row.imgUrl]" :src="scope.row.imgUrl" style="height: 50px; width: auto;">
          </el-image>
        </template>
      </el-table-column>
      <el-table-column align="center" label="类型" prop="type">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.shop_banner_type" :value="scope.row.type"/>
        </template>
      </el-table-column>
      <el-table-column label="状态" prop="status" width="80">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column align="center" label="备注" prop="remark"/>
      <el-table-column align="center" class-name="small-padding fixed-width" label="操作">
        <template slot-scope="scope">
          <el-button v-hasPermi="['content:banner:edit']" icon="el-icon-edit" size="mini" type="text"
                     @click="handleUpdate(scope.row)">修改
          </el-button>
          <el-button v-hasPermi="['content:banner:remove']" icon="el-icon-delete" size="mini" type="text"
                     @click="handleDelete(scope.row)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :limit.sync="queryParams.pageSize" :page.sync="queryParams.pageNum" :total="total"
                @pagination="getList"/>

    <!-- 添加或修改轮播图对话框 -->
    <el-dialog :title="title" :visible.sync="open" append-to-body width="500px">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="跳转链接" prop="hrefUrl">
          <el-input v-model="form.hrefUrl" placeholder="请输入跳转链接"/>
        </el-form-item>
        <!-- 选择上传方式 -->
        <el-form-item label="上传方式" prop="uploadMethod">
          <el-radio-group v-model="form.uploadMethod">
            <el-radio v-for="dict in dict.type.picture_upload_method" :key="dict.value" :label="dict.value">
              {{ dict.label }}
            </el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item :label="uploadLabel" prop="imgUrl">
          <!-- 如果上传方式为1，则显示图片上传组件 -->
          <div v-if="form.uploadMethod === 2">
            <el-input v-model="form.imgUrl" placeholder="请输入图片地址"/>
            <!--            <image-preview v-if="form.imgUrl" :src="form.imgUrl"/>-->
            <img v-if="form.imgUrl" :src="form.imgUrl" style="margin-top: 5px" width="100%">

          </div>
          <!-- 否则显示图片地址输入框 -->
          <div v-else-if="form.uploadMethod === 1" class="text-center">
            <div v-if="form.imgUrl">
              {{ form.imgUrl }}
            </div>
            <my-img-upload v-model="form.imgUrl" @upload-success="handleSuccess" @upload-fail="handleFail"/>
            <!--            <image-upload />-->
          </div>
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择类型">
            <el-option v-for="dict in dict.type.shop_banner_type" :key="dict.value" :label="dict.label"
                       :value="dict.value"></el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio v-for="dict in dict.type.sys_normal_disable" :key="dict.value" :label="dict.value">{{
                dict.label
              }}
            </el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入内容" type="textarea"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {addBanner, delBanner, getBanner, listBanner, updateBanner} from "@/api/media/banner";
import imageUpload from './imageUpload.vue';

export default {
  components: {imageUpload},
  name: "Banner",
  dicts: ['sys_normal_disable', 'shop_banner_type', 'picture_upload_method'],
  data() {
    return {

      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 轮播图表格数据
      bannerList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        hrefUrl: null,
        imgUrl: null,
        type: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        hrefUrl: [
          {required: true, message: "跳转地址不能为空", trigger: "blur"}
        ],
        type: [
          {required: true, message: "类型不能为空", trigger: "change"}
        ],
        imgUrl: [
          {required: true, message: "图片地址不能为空", trigger: "blur"}
        ],
        uploadMethod: [
          {required: true, message: "上传方式不能为空", trigger: "change"}
        ],
        status: [
          {required: true, message: "状态不能为空", trigger: "change"}
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    handleSuccess(res) {
      console.log('Upload success:', res);
      this.form.imgUrl = res.data.url;
      console.log(this.form)
    },
    handleFail(res) {
      console.log('Upload failed:', res);
    },

    /** 查询轮播图列表 */
    getList() {
      this.loading = true;
      listBanner(this.queryParams).then(response => {
        this.bannerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        hrefUrl: null,
        imgUrl: null,
        type: null,
        status: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加轮播图";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getBanner(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改轮播图";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateBanner(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBanner(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除轮播图编号为"' + ids + '"的数据项？').then(function () {
        return delBanner(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('content/banner/export', {
        ...this.queryParams
      }, `banner_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
